Meet the APO Musicians

Regino Madrid

Regino Madrid, Concertmaster

Regino Madrid, from Los Angeles, CA, is currently the Assistant Concertmaster of “The President’s Own” U.S. Marine Chamber Orchestra and regularly plays at the White House. Mr. Madrid is also an active soloist, concertmaster, and chamber musician throughout the Washington DC area. Mr. Madrid is also the concertmaster of The New Orchestra of Washington and The McLean Orchestra. He has also appeared as guest concertmaster for the Eclipse Chamber Orchestra, National Gallery Orchestra, National Philharmonic, Chesapeake Orchestra at St. Mary’s River Concert Series, the Alexandria Symphony, and the Chamber Orchestra of San Antonio. Mr. Madrid regularly plays with the National Symphony Orchestra, and is a member of the critically acclaimed Teiber Trio. He has played at venues throughout the East Coast, including Carnegie Hall, Lincoln Center, the Kennedy Center, the Library of Congress, the Phillips Collection, the Smithsonian, Wolf Trap, the Music Center at Strathmore, The National Cathedral, and the Verizon Center.

Since making his solo debut at 16, Mr. Madrid has appeared with numerous orchestras throughout the United States and abroad. Notable performances include Beethoven’s Violin Concerto, Bartok’s Violin Concerto No. 2, Brahms’ Double Concerto, and Waxman’s Carmen Fantasy.

Mr. Madrid received his Bachelor of Music degree in violin performance from the Cleveland Institute of Music after pursuing a Physiological Science degree from UCLA. As a founding member of the Hamilton String Quartet in Los Angeles, he appeared in the movie “Sister Act 2? starring Whoopi Goldberg and was featured in ABC’s “Good Morning America.”

Mr. Madrid has participated in numerous music festivals such as Santa Barbara Music Academy of the West, Holland Music Sessions, Musicorda, Idyllwilde (CA), and “Soundfest” (Cape Cod) with the Colorado Quartet. Mr. Madrid was a member of the Colburn Piano Quintet, which won the Rubinstein Grand Prize in the South Peninsula National Chamber Music competition.

Mr. Madrid resides in Hollin Hills, VA where he enjoys photography and Scandinavian mid-century design and architecture.

Henry Flory, Assistant Concertmaster

Henry Flory, Assistant Concertmaster

Described by critics as a “poet” of the violin, award-winning violinist Henry Flory is rapidly earning a reputation as one of the most dynamic and charismatic violinists of his generation, with a burgeoning career spanning the United States, Europe, and Asia. Since his debut as an orchestral soloist at the age of 12, Henry has captivated audiences all over the world as a soloist and chamber musician. Described as an “immense talent,” Henry has performed in some of the world’s most famous halls, including Carnegie Hall, Strathmore Hall, the Kennedy Center Concert Hall, Austria’s Mozarteum “Great Hall,” Japan’s Ishikawa Museum of Contemporary Art, as well as various other venues in Belgium, France, England, Italy, Austria, the Czech Republic, Spain, Japan, and the United States. Henry has made it his mission to explore a wide variety of repertoire and styles, highlighting the drama and emotional range of the violin, and bringing life to rarely played masterpieces by composers such as Prokofiev, Saint-Saëns, and Ysaÿe.

A dedicated chamber musician, Henry has enjoyed an in-depth exploration of the violin and piano sonata repertoire with pianist Matthew Graybil, resulting in performances of Debussy, Mozart, Schubert, Janá?ek, Ravel, and Beethoven throughout New York City. Other recent chamber performances have included a quartet tour of the Czech Republic, and performances with various chamber ensembles, including the Annapolis Chamber Players, the Takoma Ensemble, and the National Philharmonic Quartet.

A native of Washington, DC, Henry studied at the Conservatoire de Montpellier (France) at the age of seven, and since then has studied at the Peabody Conservatory of Johns Hopkins and The Juilliard School. Henry holds his Bachelor of Music and Master of Music degrees from Juilliard, where he worked with Sylvia Rosenberg and Lewis Kaplan. More recently, Henry spent a year at the Manhattan School of Music as a Professional Studies Candidate, working with Grigory Kalinovsky. Past teachers include Jody Gatwood, Aaron Krosnick, Victor Danchenko, and Nadine Moehlenkamp.

In addition to his solo and chamber music career, Henry frequently appears as concertmaster of the American Pops Orchestra and the National Philharmonic Orchestra.

Jim Kelly, Principal Viola and Personnel Manager

Jim Kelly, Principal Viola and Personnel Manager

Violist Jim Kelly enjoys an active career as a recitalist, chamber musician, and orchestral musician. Jim has recently served as Principal Viola for the Northeast US Tour of “Il Volo.” In the metro Washington, DC area, Jim currently serves as Principal Viola and Personnel Manager of The American Pops Orchestra, in addition to section viola at Concert Artists Of Baltimore, National Gallery Orchestra, and Alexandria Symphony. He has performed at Wolf Trap Center for The Performing Arts, The Kennedy Center, National Philharmonic at Strathmore, Annapolis Symphony, and Maryland Symphony. Jim is also known throughout the world as a Fine Instrument Consultant and is currently Business Partner/Co-Owner at The Potter Violin Company in Bethesda, MD, Jim has a Double degree in Violin and Viola Performance from The Hartt School under Mitchell Stern (violin), Kathy Murdock (viola), and Emerson String Quartet (Chamber Music Studies). He has done Additional Studies in Viola Performance with Tsuna Sakamoto of The National Symphony Orchestra. Jim also received an Artist’s Diploma in Viola and Diploma in Linguistics and Arts from Accademia Chigiana and the University of Siena in Siena Italy.

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Chaerim Smith, Principal Second Violin

Chaerim Smith, originally from Houston, Texas, is currently a member of “The President’s Own” United States Marine Chamber Orchestra performing regularly at the White House and other high profile government venues. An active orchestral musician, Mrs. Smith performs with various orchestras in the area, such as the National Symphony, Richmond Symphony, the National Philharmonic, the Virginia Chamber Orchestra and the Chesapeake Bay Orchestra in St. Mary’s, MD. Mrs. Smith is also a regular member of the Harrisburg Symphony, where she served as Assistant Principal Second Violin from 2005-2009. She has performed in many prestigious venues, such as Carnegie Hall, The Kennedy Center, Wolf Trap, The Verizon Center, Strathmore and the National Cathedral. She has had the privilege of playing under some of the world’s most prestigious conductors, such as Kurt Masur, Pinchas Zukerman, Gunther Schuller and Gerard Schwarz and has worked closely with world renown chamber musicians, Paul Katz, David Geber, Michael Tree and the late Isidore Cohen. Chaerim received her Bachelors of Music Degree from the Manhattan School of Music where she studied with Lucie Robert and later with Lisa Kim of the New York Philharmonic. While in New York, Mrs. Smith maintained a large private studio in Manhattan and was the head teacher of a private music school for young children. Being a diverse musician, Chaerim has performed with great popular artists such as U2, Barry Manilow, Olivia Newton John and Joel Grey. She is also co-founder of the New Orchestra of Washington, a Washington D.C. based group whose mission is to make music relevant and sustainable by combining a diversity of genres with fresh interpretations of classic works. ( Chaerim currently resides in Springfield, Virginia with her husband, violist Derek Smith.

Sean Neidlinger, Principal Cello

Sean Neidlinger, Principal Cello

Cellist Sean Neidlinger enjoys an active career as a recitalist, chamber musician, orchestral musician, and teacher. After receiving a Bachelor of Music degree from the Cleveland Institute of Music under the tutelage of Richard Aaron, he pursued further studies at New England Conservatory with Paul Katz. Described as “fiery” and “impassioned” by the Washington Post, Sean’s playing has garnered top prizes at several orchestra concerto competitions. He has been featured as a soloist and chamber musician at the Korean, German, French, and Austrian embassies, the Phillips Collection, the Kennedy Center Millennium Stage and Terrace Theatre, the Washington Metropolitan Philharmonic and the Friday Morning Music Club orchestras. He also has performed with the Baltimore Symphony Orchestra, the Kennedy Center Opera House Orchestra, the Eclipse Chamber Orchestra, and has served as principal cellist of the American Pops, Amadeus, Winchester, McLean Orchestras. Sean has toured Europe as a chamber musician and as a soloist for the world premiere of the Rodriguez Elegy and Rondo for cello and wind ensemble. This past Spring, Sean also embarked on a four nation tour throughout the Caribbean on a program of cultural outreach sponsored by the United States Department of State. As an artist always intrigued by mixed art forms, Sean won a grant to create a performance installation alongside the Warhol exhibition at the National Gallery of Art.

Greg Watkins

Greg Watkins, Principal Bass

Greg Watkins is thrilled to be Principal Bassist for The American Pops Orchestra and has performed with some of America?s leading orchestras, including the National Symphony Orchestra, Baltimore Symphony, Richmond Symphony and Washington Opera. He performs for musical theater productions at The Kennedy Center, Arena Stage, and Ford’s Theater. Equally at home with jazz and pop, Greg performs with many big bands and the award-winning rock group, The Sketches. He can also be heard on many film and television scores, including programs on Discovery, buy clomid nolvadex uk National Geographic, Arts & Entertainment, Miramax, HBO, ABC, and Showtime. He studied at the Peabody Conservatory in Baltimore, MD.


Brittany Foster, Principal Flute

An avid orchestral musician, Brittany Foster has performed in orchestras across the globe. She’s served as principal flutist of the China National Opera in Beijing, China, principal flutist of the Kalamazoo Symphony Orchestra, contracted auxiliary flutist with the Louisville Orchestra, second flutist of the Louisiana Sinfonietta, and is currently a flutist with the United States Navy Band. A prize winner of several national music competitions, she won 1st prize in the National Flute Association’s Orchestral Excerpts Competition in New York City, 1st prize in the Chicago Flute Club’s Young Artist Competition, 1st prize in the Midsouth Flute Society Young Artist Competition, as well as 2nd prize in the Myrna Brown Young Artist Competition. She was a winner in the Sewanee Summer Music Festival concerto competition, where she performed as a soloist with the faculty orchestra. Brittany is also a three time winner of the Louisiana Flute Society Young Artist Competition, where she had the opportunity to perform for renowned flutists Marianne Gedigian, Keith Underwood, and Robert Dick.

Brittany has attended the Cincinnati Flute Symposium, the Sewanee Summer Music Festival, the Chautauqua Institute Summer Music Festival, and was a fellowship recipient for the inaugural season of CCM Spoleto Music Festival in Spoleto, Italy.
Upon receiving her Bachelors degree from Louisiana State University, Brittany moved to Cincinnati to study with Dr. Bradley Garner at the University of Cincinnati College-Conservatory of Music, where she received her Masters degree. She is currently pursuing her Doctorate at CCM.

Brian Turnmire, Principal Trumpet

Brian Turnmire, Principal Trumpet

Trumpet artist, Brian Turnmire, aboutwhom President Obama has commented “sounds just like Miles Davis!”currently lives and works in Washington D.C. as a professional trumpet player in a premier military band. A sought-after international soloist, classical and jazz player, his performances can be heard everywhere from concert halls to the White House. In addition to his regular duties performing concerts around the DC metro area and ceremonies in Arlington National Cemetery, Brian has performed with many renowned artists, including John Williams, Leonard Slatkin, Roberta Flack, the original Broadway cast of Tony Award-winning show Jersey Boys, and Patti LaBelle. Most recently, Brian was a guest soloist with the Filarmonica de Queretaro as part of the International Brass Festival of Guanajuato, Mexico and also an artist in residence at the Banff Center in Banff, Canada. Prior to moving to the D.C area, Brian attended the University of Georgia studying with renowned trumpeter Fred Mills, formerly of the Canadian Brass, and was principal trumpet of the Chattanooga Symphony.

James Martin

James A. Martin, Principal Trombone

James Aaron Martin is an orchestral and solo trombonist based in the Washington D.C. metropolitan region. He received Master of Music and Pedagogy from the Royal Conservatory of Music in Aarhus, Denmark and his Bachelor’s degree in Music Performance from the Shenandoah Conservatory. During his studies, Martin has been a frequent recitalist of 20th century music and has given performances of solo repertoire for trombone and organ worldwide. Martin was honored to work alongside former Berlin Philharmonic bass trombonist, Stefan Schulz, in the premiere of Poul Ruder’s Concertino at the 2009 International Trombone Festival.

Martin has joined an impressive list of orchestras and chamber ensembles in Europe and North America. Some of the most notable include The Esbjerg Ensemble, Aarhus Symphony Orchestra, Aalborg Symphony Orchestra, Aarhus Sinfonietta, Maryland Symphony Orchestra, Harrisburg Symphony Orchestra, The World Orchestra, South Florida Symphony, and debut performances of Daniel Schnyder’s Trombone Quartet in Sweden, Denmark, Germany, and The Netherlands. He also currently serves as faculty at Shepherd University along with his positions at Loudoun Symphony Orchestra and The American Pops Orchestra.

Amy Horn, Principal Horn

Amy Horn, Principal Horn

Amy Horn is a versatile performer with extensive solo and ensemble experience. As a musician in the DC metropolitan area, Ms. Horn has performed with most of the Washington area’s symphony orchestras including the National Symphony, Baltimore Symphony, and Alexandria Symphony, where she is Principal Horn. She has also performed with the Harrisburg Symphony Orchestra in Harrisburg, PA and with the Richmond Symphony in Richmond, VA. Ms. Horn has been a member of the Washington Symphonic Brass since 1993, featuring some of the best brass players in the Washington, DC area and can be heard on all six recordings available on the Summit label and iTunes including the latest, “Home for the Holidays” and “Classic Rock for Brass.”

Ms. Horn has been a frequent soloist in the Washington, DC area and has also appeared as a soloist and clinician in Ohio, New Mexico, Georgia, and New York.  She was a finalist in the 1994 and 1989 American Horn Competition, competing against other professionals throughout the U.S. in horn solo literature.

In addition to performing, Ms. Horn enjoys teaching a studio of horn students of all ages and has been invited to adjudicate numerous area school music competitions and auditions. She is an adjunct horn instructor at George Mason University in Fairfax, VA. Ms. Horn has loved being a member of  “The President’s Own” United States Marine Band for twenty-eight years and even sang with their dance band at the White House during the Clinton administration. She will be retiring from the band this fall and is looking forward to a seamless transition continuing to do what she loves – performing and teaching!

David Drosinos

David Drosinos, Principal Clarinet

David Drosinos received his diploma from the Peabody Conservatory of Music. He studied clarinet with Loren Kitt, principal clarinetist with the National Symphony Orchestra. Mr. Drosinos won the Sidney Jensen Memorial Award for outstanding clarinet performance and has been guest artist at the Greek Embassy in Washington and the Taj Mahal in Atlantic City. The Washington Post praised him as “playing with an unusually smooth and agile touch.” On The Finzi Clarinet Concerto the Baltimore Sun noted “He played the idyllic score with technical security, tonal warmth and exceptionally eloquent phrasing.” David’s performance of the Copland Concerto was unmatched by any in Baltimore. The Baltimore Sun stated “Copland’s Clarinet Concerto had a confident and dynamic protagonist in David Drosinos. He spun the lyrical lines with considerable warm.” Mr. Drosinos was the principal clarinetist and soloist with the Peabody Symphony Orchestra on their tour to Russia, and a featured soloist with the Concert Artist of Baltimore. He has performed in Greece, Ireland, Moscow, Finland, and Bahamas and all over the continental United States. His Greek Band Zephyros was a featured act at the International Clarinet Association in Washington, DC. In 2010 David traveled to St Petersburg, Russia where he did the International premiere and recording of the Sowash Clarinet Concerto with the St Petersburg Symphony. David is a versatile and seasoned clarinetist who has enchanted audiences from ‘Maryland to Moscow.’ Mr. Drosinos resides in Cockeysville, Maryland and is in much demand with performing groups in the greater Baltimore-Washington area. He teaches at Shepherd University, The Baltimore School for the Arts, and The Peabody Preparatory.

Michael Kramer, Principal Guitar

Michael Kramer, Principal Guitar

Born in Washington, DC, and raised in nearby Germantown, MD, guitarist, SSG Michael Kramer, can truly be called a “local boy.” At age sixteen, he landed his first steady ‘gig’ playing guitar at Café Mileto, a neighborhood restaurant where he had previously bussed tables. For two years, he played solo guitar there every Friday and Saturday night, honing his skills for his music future. Following high school, Kramer headed off to the University of Maryland in College Park, MD, where he earned a bachelor’s degree, magna cum laude, in Jazz Studies in 2011. While there, he studied under guitarist, Gerry Kunkel. Throughout college and following graduation, Kramer was an active freelance musician in the Washington, DC, jazz scene playing in venues such as An Die Musik in Baltimore and DC’s Atlas Theater. As a sideman, he had the good fortune of performing with jazz greats such as Ted Brown, Lee Konitz, and Joe Chambers.

In 2012, Kramer enlisted as a musician in the United States Navy and was assigned to the Navy’s musical organization of the Pacific Northwest, Navy Band Northwest at Naval Base Kitsap-Bangor, in Silverdale, WA. During his fourteen months with that unit, he was a regularly featured soloist and upon his departure was recognized as the band’s Staff Arranger. While there, Kramer auditioned for The United States Army Band “Pershing’s Own.” He feels fortunate to have won the position and transfer services to the seat he currently holds today in The U.S Army Blues. With “The Blues” he has performed with jazz greats such as trombonist Wycliff Gordon. When not performing with “The Blues,” Kramer remains an active musician on the DC jazz scene and is an educator at Shenandoah Conservatory in Winchester, VA, where he holds a position on the adjunct Applied Music faculty in jazz guitar.

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Jeremy Yaddaw, Principal Percussion

Born in Texas and raised in the Adirondack Mountains, Jeremy Yaddaw is a drummer and percussionist now based in New York City. He plays regularly with The Nunziata Brothers, Rosie’s Theater Kids, Ryan Scott Oliver, and for a wide variety of theater productions and concerts in New York and down the east coast.Credits include Piaf: A Centennial Celebration (Town Hall), Sisters Follies (Abrons Arts Center), Our Guy, Cy: The Songs of Cy Coleman, Long Story Short (Prospect Theater Co.), Michael Freidman’s Pretty Filthy (Abrons Arts Center), Soul Doctor (Actors Temple), Peter & The Starcatcher (Weston Playhouse), Children Of Eden (Kennedy Center), JasperIn Deadland (Prospect Theater Co.), American Idiot (Pace University), TheDisappearing Man (Cloud City), Unlock’d (Prospect Theater Co.), 35mm: A Musical Exhibition (Galapagos Arts Space), Triassic Parq (Soho Playhouse), Altar Boyz (New World Stages). His album, Seven Songs, can be found on iTunes. More info available at

Kate Rogers, Harp

Kate Rogers, Harp

Kate Rogers is a DC area native and has performed with the National Symphony, the Baltimore Symphony, the Kennedy Center Opera House Orchestra, the Washington Ballet, the Washington Chorus, the St. Louis Symphony, the Richmond Symphony, the Delaware Symphony, Arena Stage, and is the principal harp of the American Pops Orchestra and the Fairfax Symphony Orchestra. She has been featured as a soloist with the National Symphony, the Fairfax Symphony, the Amadeus Orchestra, the Philadelphia Singers, the Amadeus Orchestra, the Concerto Soloists of Washington, and the Arlington Symphony, and has been the recipient of first prize in the National Symphony Young Soloist’s Competition, the Anne Adams Awards, and the Loeb Foundation Awards, and was a finalist in the Fischoff Chamber Competition. Ms. Rogers is a graduate of the Curtis Institute of Music where she studied with Judy Loman and Marilyn Costello. Other teachers include Nancy Allen, Alice Chalifoux, Elizabeth Hainen, Dotian Levalier, and Elizabeth Blakeslee.


Additional APO Musicians

Violin 1
Sarah D’Angelo
Sonya Hayes

Violin 2
Laura Frazelle
Marissa Murphy

Stephanie Knutsen
Matthew Maffett
Elizabeth Stahr

Danielle Cho
Barbara Brown
Jihea Choi

Sarah McIver

Shawn Buck

Brandon Cave

French Horn
Chandra Cervantes

Jerry Amoury

Jim Roberts

Alex Tang